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Finding the Fourth Proportional to 254,200.60, 381,738.30 and 136,102.60

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Solution

The fourth proportional to 254,200.60, 381,738.30 and 136,102.60 is: 204,388.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,200.60 : 381,738.30 = 136,102.60 : x
  2. Step 2: Convert to fraction form
    254,200.60/381,738.30 = 136,102.60/x
  3. Step 3: Cross multiply
    254,200.60x = 381,738.30 × 136,102.60
  4. Step 4: Simplify right side
    254,200.60x = 51,955,575,149.58
  5. Step 5: Solve for x
    x = 51,955,575,149.58/254,200.60
  6. Step 6: Final answer
    x = 204,388.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.